A problem states: "There are 9 more children than parents in a room. There are 25 people in the room in all. How many children are there in the room?" What are the unknowns in this problem? Select each correct answer. 1. the total number of children in the room 2. the total number of parents in the room 3.The total number of teachers in the room 4. the total number of people in the room
To work out who the unknowns in the room are, we can establish that c = p+ 9
c + p = 25. The unknowns in the room are there the total number of
parents in the room, and the total number of teachers in the room.
